The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8275622 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 25, 2012

Filed:

Feb. 06, 2009
Applicants:

Bhiksha Raj Ramakrishnan, Pittsburgh, PA (US);

Kaustubh Kalgaonkar, Atlanta, GA (US);

Inventors:

Bhiksha Raj Ramakrishnan, Pittsburgh, PA (US);

Kaustubh Kalgaonkar, Atlanta, GA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G10L 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and system recognizes an unknown speaker by directing an ultrasonic signal at a face of the unknown speaker. A Doppler signal of the ultrasonic signal is acquired after reflection by the face, and Doppler features are extracted from the reflected Doppler signal. The Doppler features are classified using Doppler models storing the Doppler features and identities of known speakers to recognize and identify the unknown speaker.


Find Patent Forward Citations

Ramakrishnan, Bhiksha. (2012). Ultrasonic doppler sensor for speaker recognition (U.S. Patent No. 8275622). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8275622

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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